Home / 3,101.26-4,641.78-2,279.32

Finding the Fourth Proportional to 3,101.26, 4,641.78 and 2,279.32

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Solution

The fourth proportional to 3,101.26, 4,641.78 and 2,279.32 is: 3,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.26 : 4,641.78 = 2,279.32 : x
  2. Step 2: Convert to fraction form
    3,101.26/4,641.78 = 2,279.32/x
  3. Step 3: Cross multiply
    3,101.26x = 4,641.78 × 2,279.32
  4. Step 4: Simplify right side
    3,101.26x = 10,580,101.99
  5. Step 5: Solve for x
    x = 10,580,101.99/3,101.26
  6. Step 6: Final answer
    x = 3,411.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.